Puerto Rico

Puerto Rico drinking water quality

Every public water system in Puerto Rico we've verified. Each report covers one calendar year and shows the utility's own measured contaminant levels against federal limits.

Want the national picture? See where Puerto Rico lands in our ranking of the states with the most open health-based water violations, pulled from the EPA's own records for every U.S. public water system.

256 water systems mapped in Puerto Rico

Browse all 256 systems A–Z:1

• Lomas Verdes (watch Tower) (2014)
  1 contaminants measured· 1 at or above the limit
• Monasterio Madre De Dios (2019)
  1 contaminants measured· 1 at or above the limit
• Saltos Caguana (2019)
  1 contaminants measured· 1 at or above the limit
• Comite Comunal De Corcovada (2019)
  1 contaminants measured· 1 at or above the limit
• Los Miranda Pellejas (2020)
  1 contaminants measured· 1 at or above the limit
• Corporacion Saltos Pelleja (2019)
  1 contaminants measured· 1 at or above the limit
• Acued. Com. Tortuguero, La Tiza, Inc. (2010)
  1 contaminants measured· 1 at or above the limit
• Acued. Rural Palmarito Cintron (2019)
  1 contaminants measured· 1 at or above the limit
• Mamey (2013)
  1 contaminants measured· 1 at or above the limit
• Colegio San Antonio Abad (2016)
  1 contaminants measured· 1 at or above the limit
• Barcelona (2019)
  1 contaminants measured· 1 at or above the limit
• Acued. Rural De Tejas (2015)
  1 contaminants measured· 1 at or above the limit
• Copar (2012)
  1 contaminants measured· 1 at or above the limit
• Sabana Grande (2015)
  1 contaminants measured
  20152010
• Malpaso (2009)
  1 contaminants measured· 1 at or above the limit
• Hogares Seguros (2006)
  1 contaminants measured· 1 at or above the limit
• Observatorio De Arecibo (2008)
  1 contaminants measured· 1 at or above the limit
• Abbvie Norte (2009)
  1 contaminants measured· 1 at or above the limit
• Patheon Puerto Rico, Inc. (2015)
  1 contaminants measured· 1 at or above the limit
• Fmc Agricultural Caribe Industries (2008)
  1 contaminants measured· 1 at or above the limit
• Auro Pr, Inc (2016)
  1 contaminants measured· 1 at or above the limit
• Janssen Ortho, Llc (2011)
  1 contaminants measured· 1 at or above the limit
• La Pica (2006)
  1 contaminants measured
• Acued. Rural Guacio (2023)
  1 contaminants measured
• Acueducto Rural Tabor (2023)
  1 contaminants measured
• Ciudad Real (2006)
  1 contaminants measured
• Century Packing Corp. (2016)
  1 contaminants measured
• Morovis Urbano (2016)
  1 contaminants measured
• Mameyes Abajo (2006)
  1 contaminants measured
• Canalizo (2006)
  1 contaminants measured
• Lares Espino (2021)
  1 contaminants measured
• Guilarte (2009)
  1 contaminants measured
• Bo Nuevo (2013)
  1 contaminants measured
• Acued. Comunal Pozo Azul, Corp. (2023)
  1 contaminants measured
• Jaguey Chiquito (2016)
  1 contaminants measured
• Proyecto Aguas (2023)
  1 contaminants measured
• Acueducto Comunal Sonador Inc. (2023)
  1 contaminants measured
• Comunidad Juan Hernandez (2023)
  1 contaminants measured
• Acueducto Garzas Juncos (2023)
  1 contaminants measured
• Juan Gonzalez (2023)
  1 contaminants measured
• Asociacion Residente San Diego (2016)
  1 contaminants measured
• Coamo Arriba (2023)
  1 contaminants measured
• Guardia Nacional De Pr, Fort Allen (2023)
  1 contaminants measured
• Bauta Abajo, Inc. (2023)
  1 contaminants measured
• Acueducto Taita (2023)
  1 contaminants measured
• Santo Tomas De Aquino (2023)
  1 contaminants measured
• Comunidad Limones (2023)
  1 contaminants measured
• La Carmelita (2020)
  1 contaminants measured
• Cuyon Water Services Inc. (2023)
  1 contaminants measured
• Acued. Comunal Comunidad Caã‘abon Abajo (2023)
  1 contaminants measured
• Acued. Com. Bo. Quebradillas (2023)
  1 contaminants measured
• Helechal-guayabo (2016)
  1 contaminants measured
• Acued. Com. Barrancas Centro (2023)
  1 contaminants measured
• Acued. Canabon Sect. El Parque (2023)
  1 contaminants measured
• Asoc. Villa De Guavate (2023)
  1 contaminants measured
• Brisas Del Torito 1 Inc. (2021)
  1 contaminants measured
• Asoc. De Agua Sector Pelegrin Santos (2023)
  1 contaminants measured
• Comunidad Maisonet (codretede) (2016)
  1 contaminants measured
• Acued. Rural Doã‘a Elena (2023)
  1 contaminants measured
• Talante (2020)
  1 contaminants measured
• Sistema De Agua Matuyas Bajo (2020)
  1 contaminants measured
• Sistema Cruz Leon (2020)
  1 contaminants measured
• Marin Sector Betancourt (2023)
  1 contaminants measured
• Comunidad Las Corujas (2023)
  1 contaminants measured
• Comunidad Rivera (2023)
  1 contaminants measured
• Bayamoncito (2023)
  1 contaminants measured
• Parc. Nuevas Canaboncito Acued. (2023)
  1 contaminants measured
• Acued. Rural Turado Arriba (2023)
  1 contaminants measured
• Acued. Rural Pedro Calixto (2023)
  1 contaminants measured
• Acued. Com. Buenos Aires (2023)
  1 contaminants measured
• Asoc. Res. Villa De Oro (2023)
  1 contaminants measured
• Sistema De Agua Roosevelt Road (2016)
  1 contaminants measured
• Alturas De Montones 4, Inc. (2021)
  1 contaminants measured
• Com. Rancho Grande (2023)
  1 contaminants measured
• Sector Los Diaz (2016)
  1 contaminants measured
• Quemados I Sec. Los Ortiz Inc. (2016)
  1 contaminants measured
• La Cuchilla (2023)
  1 contaminants measured
• Quemados Ii Sect. Vicente (2023)
  1 contaminants measured
• Comunidad Sector Los Gomez (2016)
  1 contaminants measured
• Acueducto Sector Pachin (2020)
  1 contaminants measured
• Acued. Sodoma (2020)
  1 contaminants measured
• Comunidad Jacanas Sur Inc. (2021)
  1 contaminants measured
• Comunidad Sector La Riviera (2023)
  1 contaminants measured
• Comunidad Santana (2019)
  1 contaminants measured
• Comunidad Mana, Sector Lozada Inc. (2023)
  1 contaminants measured
• Comunidad Las Cruces (2023)
  1 contaminants measured
• Metropolitano (2016)
  1 contaminants measured
• Cubuy (2014)
  1 contaminants measured
• Arecibo Urbano (2016)
  1 contaminants measured
• Hatillo-camuy (2015)
  1 contaminants measured
• Isabela (2015)
  1 contaminants measured
• Quebradillas Urbano (2015)
  1 contaminants measured
• Lares Urbano (2014)
  1 contaminants measured
• Utuado Urbano (2015)
  1 contaminants measured
• Jayuya Urbano (2014)
  1 contaminants measured
• Barceloneta Urbano (2015)
  1 contaminants measured
• Florida Urbano (2015)
  1 contaminants measured
• Ciales Urbano (2015)
  1 contaminants measured
• Vega Baja Urbano (2015)
  1 contaminants measured
• Garrochales (2016)
  1 contaminants measured
• Esperanza (2015)
  1 contaminants measured
• Miraflores (2023)
  1 contaminants measured
• Sabana Hoyos (2015)
  1 contaminants measured
  20152015
• Santana (2015)
  1 contaminants measured
• Rio Arriba (2006)
  1 contaminants measured
• Quebrada (2015)
  1 contaminants measured
• Monte Bello (2009)
  1 contaminants measured
• Coto Sur (2023)
  1 contaminants measured
• Pugnado (2015)
  1 contaminants measured
• Almirante Sur (2015)
  1 contaminants measured
• Fronton (2015)
  1 contaminants measured
• Sanamuerto (2006)
  1 contaminants measured
• Mameyes Arriba (2006)
  1 contaminants measured
• Roncador (2015)
  1 contaminants measured
• Tierra Nueva Rabanos (2023)
  1 contaminants measured
• Bajadero (2016)
  1 contaminants measured
• Indiera Alta (2006)
  1 contaminants measured
• Manati East (2014)
  1 contaminants measured
• Mayaguez (2015)
  1 contaminants measured
• Aguadilla (2015)
  1 contaminants measured
• Rafael Matias (2021)
  1 contaminants measured
• Plata I Y Ii (2011)
  1 contaminants measured
• San Sebastian (2015)
  1 contaminants measured
• Lajas (2015)
  1 contaminants measured
• Maricao (2015)
  1 contaminants measured
• Las Marias (2014)
  1 contaminants measured
• Cabo Rojo (2014)
  1 contaminants measured
• Hormiguero (2021)
  1 contaminants measured
• Consumo (2025)
  1 contaminants measured
• El Rosario (2009)
  1 contaminants measured
• El Japones (2025)
  1 contaminants measured
• Wilfredo Valentin (2006)
  1 contaminants measured
• Monte Del Estado (2006)
  1 contaminants measured
• Cain Alto (2015)
  1 contaminants measured
• Capriles (2021)
  1 contaminants measured
• Rayo (2023)
  1 contaminants measured
• Ponce De Leon (2021)
  1 contaminants measured
• Santa Isabel (2015)
  1 contaminants measured
• Almirante Norte (2009)
  1 contaminants measured
• Las Delicias (2006)
  1 contaminants measured
• Lago Guajataca (2016)
  1 contaminants measured
• Jaguas Pozas (2015)
  1 contaminants measured
• Arraijanes (2023)
  1 contaminants measured
• Ponce Urbano (2014)
  1 contaminants measured
• Cimarrona (2006)
  1 contaminants measured
  20062006
• Aruz (2015)
  1 contaminants measured
• Alturas (2023)
  1 contaminants measured
• Cienega (2016)
  1 contaminants measured
• Quebrada Arenas (2023)
  1 contaminants measured
• San Rafael (2023)
  1 contaminants measured
• Santa Isabel Urbano (2015)
  1 contaminants measured
• Coamo Urbano (2015)
  1 contaminants measured
• Villalba Urbano (2015)
  1 contaminants measured
• Apeadero (2006)
  1 contaminants measured
• Orocovis Urbano (2015)
  1 contaminants measured
• Guayanilla Urbano (2015)
  1 contaminants measured
• Guanica Urbano (2015)
  1 contaminants measured
• Ensenada (2016)
  1 contaminants measured
• Rio Loco (2006)
  1 contaminants measured
• Guaraguao (2025)
  1 contaminants measured
• Saltillo Vaca (2006)
  1 contaminants measured
• Adjuntas Urbano (2015)
  1 contaminants measured
• Duey (2016)
  1 contaminants measured
• Jagua Pasto (2009)
  1 contaminants measured
• Yauco (2015)
  1 contaminants measured
• Penuelas (2014)
  1 contaminants measured
• Amelia (2023)
  1 contaminants measured
• Arenas (2006)
  1 contaminants measured
• Deportivo (2006)
  1 contaminants measured
• Real Anon (2015)
  1 contaminants measured
• Piedras Blancas (2015)
  1 contaminants measured
• Consejo (2006)
  1 contaminants measured
• Dajaos (2015)
  1 contaminants measured
• Cotto Laurel (2015)
  1 contaminants measured
• Jacaguas (2025)
  1 contaminants measured
• Aibonito La Plata (2014)
  1 contaminants measured
• Cuyon (2006)
  1 contaminants measured
• Matrulla (2023)
  1 contaminants measured
• Tibes (2006)
  1 contaminants measured
• Garzas (2009)
  1 contaminants measured
• Experimental (2016)
  1 contaminants measured
• Barranquitas Urbano (2012)
  1 contaminants measured
• Rucio (2006)
  1 contaminants measured
• Jagua Ceiba (2006)
  1 contaminants measured
• Barrancas Nuevo (2014)
  1 contaminants measured
• Cerrillos (2016)
  1 contaminants measured
• Cayey Urbano (2015)
  1 contaminants measured
• Agustinillo (2006)
  1 contaminants measured
• Aceitunas (2014)
  1 contaminants measured
• Regional Villalba Toa Vaca (2015)
  1 contaminants measured
• Culebras (2006)
  1 contaminants measured
• Yahuecas (2021)
  1 contaminants measured
• Cidra Urbano (2015)
  1 contaminants measured
• Comerio Urbano (2015)
  1 contaminants measured
• Guayama Urbano (2014)
  1 contaminants measured
• Maunabo Urbano (2025)
  1 contaminants measured
• Patillas Urbano (2014)
  1 contaminants measured
• Jacaboas (2014)
  1 contaminants measured
• Salinas Urbano (2014)
  1 contaminants measured
• Cocos (2015)
  1 contaminants measured
• Coqui (2016)
  1 contaminants measured
• Farallon (2015)
  1 contaminants measured
• Las Bocas (2015)
  1 contaminants measured
• Aibonito Urbano (2015)
  1 contaminants measured
• Aguas Buenas Urbano (2015)
  1 contaminants measured
• Caguas Sur (2014)
  1 contaminants measured
• Caguas Norte (2025)
  1 contaminants measured
• Gurabo Urbano (2014)
  1 contaminants measured
• San Lorenzo Urbano (2014)
  1 contaminants measured
• Espino (2013)
  1 contaminants measured
• Juncos - Ceiba Sur (2016)
  1 contaminants measured
• Guayabota (2006)
  1 contaminants measured
• Yabucoa Urbano (2016)
  1 contaminants measured
• Boqueron (2006)
  1 contaminants measured
• Cubuy Maizales (2006)
  1 contaminants measured
• El Yunque (2016)
  1 contaminants measured
• Fajardo Ceiba (2014)
  1 contaminants measured
• Luquillo Urbano (2015)
  1 contaminants measured
• Guzman Arriba (2014)
  1 contaminants measured
• Las Piedras Humacao (2014)
  1 contaminants measured
• Rio Blanco,vieques,culedra (2016)
  1 contaminants measured
• Jagual (2014)
  1 contaminants measured
• Paisaje Del Lago (2007)
  1 contaminants measured
• Morovis (2018)
  1 contaminants measured
• Corozal Urbano (2015)
  1 contaminants measured
• La Grua (2015)
  1 contaminants measured
• Cedro Arriba (2015)
  1 contaminants measured
• Tejas Trinida (2023)
  1 contaminants measured
• Negros (2014)
  1 contaminants measured
• Maguayo (2015)
  1 contaminants measured
• Dorado Urbano (2016)
  1 contaminants measured
• Us Army, Fort Buchanan (2023)
  1 contaminants measured
• Cvd Main, Llc (2016)
  1 contaminants measured
• Pepsico Caribbean (frito Lay) (2022)
  1 contaminants measured
• Hospital De La Concepcion (2016)
  1 contaminants measured
• U.c.p.r (2016)
  1 contaminants measured
• Hospital Damas (2023)
  1 contaminants measured
• Ponce Darlington Elderly (2020)
  1 contaminants measured
• Acued. Comunal Rio Chiquito (2021)
  1 contaminants measured
• Martex Farms (2016)
  1 contaminants measured
• Hospital Menonita (2016)
  1 contaminants measured
• Baxter Healthcare of Pr (2023)
  1 contaminants measured
• Upr Cayey (2017)
  1 contaminants measured
• Caribbean Refrescos Inc. (2021)
  1 contaminants measured
• Albergue Olimpico De Pr (2016)
  1 contaminants measured
• Campamento Santiago (2023)
  1 contaminants measured
• The Home Depot, Caguas (2023)
  1 contaminants measured
• Hospital Menonita De Caguas, Inc. (2023)
  1 contaminants measured
• Amgen Manufacturing, Ltd (2021)
  1 contaminants measured
• Medtronic Puerto Rico Oper. Co. (2022)
  1 contaminants measured
• Forest Service-el Yunque (2023)
  1 contaminants measured
• Bayamon Medical Center (2018)
  1 contaminants measured
• Dbr Development Management, Llc (2016)
  1 contaminants measured